Generation Help

The Code

  public void generateSurface(World world, Random rand, int chunkX, int chunkZ)
  {
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Emerald.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}

  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Sapphire.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Fluorite.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Demantoid.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}

  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Opal.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
  
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Danburite.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Peridot.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Topaz.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Ruby.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Amethyst.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
  
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Onyx.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Hackmanite.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
 
  	for(int a= 0; a < 32; a++)
  	{
  		int randPosX = chunkX + rand.nextInt(16); 
  		int randPosY = rand.nextInt(64); 
  		int randPosZ = chunkZ + rand.nextInt(16); 
  		(new WorldGenMinable(mod_Ores.Apatite.blockID, 8)).generate(world, rand, randPosX, randPosY, randPosZ); 
  	}
  }